*{
    margin: 0;
    padding: 0;
}
.container{
    width: 300px;
    height: 150px;
    /* background-color: aquamarine; */
    position: relative;
    color: red;
    border: 1px solid #ccc;
    font-size: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.canvas{
    display: block;
    position: absolute;
    top: 0;
    width: 300px;
    height: 150px;
    /* background-color: skyblue; */
}